CN210003225U - Simple drilling fluid floating oil automatic separation device - Google Patents
Simple drilling fluid floating oil automatic separation device Download PDFInfo
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- CN210003225U CN210003225U CN201920163043.XU CN201920163043U CN210003225U CN 210003225 U CN210003225 U CN 210003225U CN 201920163043 U CN201920163043 U CN 201920163043U CN 210003225 U CN210003225 U CN 210003225U
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Abstract
The utility model discloses a simple and easy drilling fluid floating oil autosegregation device, including a jar body, the automatic ware that opens and shuts of floating includes slide rail draw-in groove, closing cap board, connecting rod, cursory, inlet under the leading flank of the jar body is seted up, and the liquid outlet is seted up to the trailing flank of the jar body, it is higher than inlet top down to go up the liquid outlet most, the leading flank of the jar body still sets up the slide rail draw-in groove, the sliding type of closing cap board is installed in the slide rail draw-in groove, the closing cap board will guarantee to block completely when falling slide rail draw-in groove bottom, closing cap board upper end is connected to the connecting rod lower extreme, and cursory is connected to the. The utility model provides a current drilling fluid circulation tank can not effectual oil slick to the oil-gas display of well drilling in-process separate the clearance effectively to lead to whole drilling fluid to become even contaminated system, and then make these drilling fluids and discharge often be recognized as the problem of hazardous waste.
Description
Technical Field
The utility model relates to a drilling fluid circulation system device in the drilling construction in oil development trade field, specifically speaking are simple and easy drilling fluid oil slick autosegregation device.
Background
The drilling is a general means for exploring or developing petroleum, and the drilling fluid is a circulating fluid used in the drilling process and is a mixture of liquid, solid and chemical treatment agents, wherein the drilling fluid is pressurized by a drilling pump to obtain water pressure, then is conveyed to the inner cavity of a drill rod through a high-pressure manifold and a water tap, flows to the underground along the inner cavity of the drill rod and is sprayed out from a drill bit nozzle, rock debris broken under a stratum is brought back to the ground along an annular space outside the drill rod, stratum drilling products in the drilling fluid are effectively separated and then are conveyed to the drilling pump again for repeated use, when the drilling well passes through a main target interval, quantitative oil-gas display usually occurs, namely the drilling fluid carries quantitative oil-gas components in the stratum, which is actually the purpose of oil-gas exploration and development, particularly inevitably occurs in the implementation process of the development well, the quantity of the oil-gas display is related to the density and the property of an oil reservoir, but the oil reservoir is usually near-balanced pressure and larger in the field along with the continuous development of protection work.
With the recent implementation of national environmental protection policy, the treatment of drilling fluid and its waste becomes of the problems that have to be considered in the process of oil and gas exploration and development, according to the records of dangerous waste in China HW08, the waste drilling mud produced by using mineral oil as continuous phase in oil production is a dangerous waste.
In the actual drilling process, most of the drilling fluid and the cuttings carried by the drilling fluid belong to -type wastes, and the treatment cost is low, but when the drilling fluid passes through the target section of an oil-gas layer, formation oil gas is not fully mixed with the drilling fluid when the formation oil gas is firstly brought out from the well bottom by the drilling fluid, and generally floats on the liquid level of the drilling fluid due to the fact that the oil-gas density is far smaller than the density of the drilling fluid, the phenomenon is also called as surface oil gas display by geological logging, a large amount of oil gas is displayed in a drilling fluid circulation tank in an unrestricted discharge manner, and then is uniformly mixed in a drilling circulation system through multiple times of impact, so that the whole drilling fluid becomes a uniform oil mixing system, the cuttings discharged by the drilling fluid are further polluted by oil stains, and the drilling fluid and the discharge thereof are often considered as dangerous wastes, and the treatment.
If the floating oil displayed by the oil gas can be timely separated and removed, the problems can be avoided, the environmental protection requirement can be met, and the drilling cost can be reduced. However, the currently used drilling fluid circulation tank usually adopts a top and bottom double-communication mode, and in the actual drilling process, because more settled sands exist, only the top is actually communicated to play a role, so that the floating oil displayed by oil gas can be unlimitedly dispersed in the drilling fluid circulation tank, and is continuously mixed and stirred with the drilling fluid in the solid control equipment and the circulation equipment of the drilling fluid, so that the floating oil is uniformly dispersed in the drilling fluid.
The drilling fluid circulation tank is standard equipment of drilling crews, and high cost is necessarily required if a large amount of replacement or modification is required, which cannot be implemented in the low-ebb period of the whole drilling industry at present.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple and easy drilling fluid oil slick autosegregation device solves the present drilling fluid circulation jar of drilling process and can not effectually separate the oil slick that shows to oil gas and clear away effectively to lead to whole drilling fluid to become even contaminated oil system, and then make these drilling fluids and discharge often be the problem of affirmation as dangerous discarded object.
In order to achieve the purpose, the utility model discloses a following technical scheme, simple and easy drilling fluid oil slick autosegregation device, including a jar body, the automatic ware that opens and shuts of floating includes slide rail draw-in groove, closing cap board, connecting rod, cursory, the inlet is seted up down to the leading flank of the jar body, and the liquid outlet is seted up to the trailing flank of the jar body, it is higher than inlet top down to go up the liquid outlet bottom, the leading flank of the jar body still sets up the slide rail draw-in groove, closing cap board slidingtype is installed in the slide rail draw-in groove, the closing cap board will guarantee to block completely when falling slide rail draw-in groove bottom and live inlet down, the closing cap board upper end is connected to the connecting rod lower extreme.
Lower inlet least significant end and jar body bottom surface parallel and level, go up liquid outlet upper end and # circulation tank up end parallel and level, it passes through No. two circulation tanks of last drain pipe intercommunication to go up the liquid outlet.
The tank body is a rectangular tank main body.
The rectangular tank main body is fixed on the inner wall of the # circulating tank in a welding mode, and the rectangular tank main body is closest to the second # circulating tank.
The rectangular tank main body is arranged on a preset clamping groove formed in the inner wall of the No. circulating tank through a movable accessory.
The rectangular tank body is hung on the inner wall of the circulating tank through a hook or a hanging buckle.
Compared with the prior art, the utility model following beneficial effect has:
after the drilling fluid carrying the formation oil gas enters a No. circulating tank, because the density difference between the formation oil gas and the drilling fluid is large and no emulsification dispersion exists at the same time, the drilling fluid can basically float to the surface layer of the drilling fluid quickly, the drilling fluid carrying the formation oil gas can not directly flow into a No. two circulating tank from the upper part of the liquid surface after entering a No. circulating tank but enters the No. two circulating tank through a liquid inlet positioned in the middle, the drilling fluid at the position does not have the formation oil gas, when the liquid surface is lowered to be lower than the liquid inlet, the floating type automatic opening and closing device can automatically block the liquid inlet, the situation that the floating oil on the surface of the drilling fluid enters the simple drilling fluid floating oil automatic separating device and then enters the No. two circulating tank is avoided, so that the floating oil of the drilling fluid can be effectively controlled to only stay in the No. circulating tank and can not be diffused in the whole drilling fluid to be uniformly dispersed in the drilling fluid to form 'dangerous waste drilling fluid', the treatment efficiency is improved, the cost for treating the drilling fluid is.
Drawings
Fig. 1 is a schematic structural diagram of the simple automatic separation device for drilling fluid and floating oil of the present invention.
Fig. 2 is a closing schematic diagram of the simple automatic separation device for drilling fluid and floating oil of the present invention.
Fig. 3 is an opening schematic diagram of the simple drilling fluid floating oil automatic separation device of the utility model.
The drawing marks comprise a rectangular tank main body 1, an upper liquid outlet pipe 2, a lower liquid inlet 3, a floating automatic opening and closing device 4, a slide rail clamping groove 41, a cover sealing plate 42, a connecting rod 43, a buoy 44, a No. circulating tank 5, a No. two circulating tank 6, drilling fluid 7 and a floating oil layer 8.
Detailed Description
The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of , but not all embodiments.
Referring to fig. 1 to 3, the utility model provides technical solutions, including a tank body and a floating automatic opening and closing device 4, the floating automatic opening and closing device includes a slide rail clamping groove 41, a cover plate 42, a connecting rod 43, a float 44, a lower inlet 3 is opened on the front side of the tank body, an upper outlet is opened on the rear side of the tank body, the lowest end of the upper outlet is higher than the highest end of the lower inlet, a slide rail clamping groove 41 is further provided on the front side of the tank body, the cover plate 42 is slidably mounted in the slide rail clamping groove, the cover plate is to ensure the lower inlet 3 to be completely blocked when falling to the lowest end of the slide rail clamping groove, the lower end of the connecting rod 43 is connected with the upper end of the cover plate, the upper end of the connecting rod is connected with the float 44, the bottom end of the float is higher than the upper end of the cover plate, the lowest end of the lower inlet 3 is flush with the bottom surface of the tank body, the upper end of the upper outlet is flush with the upper end surface of the number of the circulation.
The fixed mode of rectangular tank main part can adopt the optional mode, for example following three kinds of modes, , rectangular tank main part adopts welded fastening on number circulation tank inner wall, and rectangular tank main part will be nearest No. two circulation tank departments, the second kind, rectangular tank main part is installed on the predetermined draw-in groove that number circulation tank inner wall was seted up through movable fittings, for example accessory such as bolt.
The utility model discloses a circulation tank, including a lower inlet 3, a lower inlet 6, a connecting rod 43, a floater 44, a sealing cover plate 42, a connecting rod 43, a connecting rod, a kind of simple drilling fluid floating oil automatic separation device, the sliding cover plate 41 is established in lower inlet 3 both sides, the sealing cover plate 42 should select the metal material of great density, the sealing cover plate 42 is installed in the sliding cover plate 41, the upper portion is connected with the floater 44 through the connecting rod 43 of definite length, the sealing cover plate 42 can slide up and down in the sliding cover plate 41, the lower inlet 3 can be guaranteed to be completely blocked when the bottom, the buoyancy that the floater 44 can produce in water must be greater than the weight.
As shown in figure 2, when drilling fluid 7 enters No. circulating tank 5, the liquid level rises continuously, stratum oil gas contained in the drilling fluid is not emulsified and dispersed due to the fact that the density difference between the stratum oil gas and the drilling fluid is large, so that the stratum oil gas can float to the surface layer of the drilling fluid quickly to form floating oil layer 8 basically, when the liquid level of the drilling fluid 7 reaches lower liquid inlet 3, the simple automatic drilling fluid floating oil separating device is in a closed state, the sealing cover plate 42 is arranged at the bottom of the sliding rail clamping groove 41, the lower liquid inlet 3 is completely sealed, the drilling fluid 7 and the floating oil layer 8 cannot enter rectangular tank main body 1, and cannot enter second circulating tank 6 further as long as the liquid level of the drilling fluid 7 is not more than the upper end face of No. circulating.
When the liquid level of the drilling fluid 7 continuously rises, exceeds the lower liquid inlet 3 and reaches the position of the float 44, the floating oil layer 8 also rises above the lower liquid inlet 3, the simple drilling fluid floating oil automatic separation device is still in a closed state, and the drilling fluid 7 and the floating oil layer 8 cannot enter the rectangular tank main body 1 at the moment.
As shown in fig. 3, when the liquid level of the drilling fluid 7 and the floating oil layer 8 exceeds the position of the float 44, the float 44 generates a large buoyancy force, which is larger than the weight of the sealing cover plate 44 and the connecting rod 43, so that the sealing cover plate 44 rises along the slide rail clamping groove 41 to open the lower liquid inlet 3, and as the floating oil layer 8 is already positioned above the lower liquid inlet 3 at this time, only the drilling fluid 7 enters the rectangular tank main body 1 and gradually rises to the level of the two sides, and then enters the second circulation tank 6, if the liquid level of the drilling fluid 7 and the floating oil layer 8 drops, the sealing cover plate 44 also drops along with the liquid level until reaching the bottom of the slide rail clamping groove 41, and the liquid inlet 3 is completely sealed again, so that the floating oil layer 8 is prevented from entering the rectangular tank main body 1, and thus the floating oil layer 8 is limited in the circulation tank 5, and when the floating oil layer 8 is accumulated to a certain thickness of , the floating oil layer can.
The utility model discloses according to the linker, the drilling fluid that the principle of density difference and buoyancy will contain the stratum oil gas has carried out simple autosegregation in circulation tanks and has handled, directly restrict oil slick layer in circulation tanks, just so can only stop circulation tanks and can not spread in whole drilling fluid circulation system and then the homodisperse forms "dangerous useless drilling fluid" to the drilling fluid in, the treatment effeciency has been improved, the cost of handling the drilling fluid has been reduced, the treatment effect has also been improved, advance steps and reduce the pollution that causes the environment, the utility model discloses not only can be as drilling fluid oil slick autosegregation, also can carry out simple water oil separating in earlier stage to the oily sewage that other oil field operations produced.
The utility model discloses simple structure can be with the lug weld on number circulation tank walls, also can adopt draw-in groove fixed mode fixed mounting on number circulation tank, consequently need not carry out a large amount of changes or transformation to current drilling fluid circulation tank to save the cost more.
In the description of the present invention, it should be understood that the orientation indication or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description of the present invention, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Simple and easy drilling fluid floating oil autosegregation device, a serial communication port, including a jar body, the automatic ware that opens and shuts of floating includes slide rail draw-in groove, closing cap board, connecting rod, cursory, the inlet is seted up down to the leading flank of the jar body, and the liquid outlet is seted up to the trailing flank of the jar body, it is higher than inlet top down to go up the liquid outlet most, the leading flank of the jar body still sets up the slide rail draw-in groove, the sliding type of closing cap board is installed in the slide rail draw-in groove, the closing cap board will guarantee when falling slide rail draw-in groove bottom completely the shutoff and live down the inlet, the closing cap board upper end is connected to the connecting rod lower extreme.
2. The simple automatic separation device for the floating oil in the drilling fluid as claimed in claim 1, wherein the lowest end of the lower liquid inlet is flush with the bottom surface of the tank body, the upper end of the upper liquid outlet is flush with the upper end surface of the # circulation tank, and the upper liquid outlet is communicated with the second # circulation tank through the upper liquid outlet pipe.
3. The simple automatic separation device for drilling fluid and floating oil according to claim 1 or 2, wherein the tank body is a rectangular tank body.
4. The simple automatic separation device for the floating oil in the drilling fluid as claimed in claim 3, wherein the rectangular tank body is fixed on the inner wall of the # circulation tank by welding, and the rectangular tank body is closest to the second # circulation tank.
5. The simple automatic separation device for the drilling fluid and the floating oil as claimed in claim 3, wherein the rectangular tank body is mounted on a preset clamping groove formed in the inner wall of the # circulation tank through a movable fitting.
6. The simple automatic separation device for drilling fluid and floating oil according to claim 3, wherein the rectangular tank body is hung on the inner wall of the circulation tank through a hook or a hanging buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920163043.XU CN210003225U (en) | 2019-01-30 | 2019-01-30 | Simple drilling fluid floating oil automatic separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920163043.XU CN210003225U (en) | 2019-01-30 | 2019-01-30 | Simple drilling fluid floating oil automatic separation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210003225U true CN210003225U (en) | 2020-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920163043.XU Active CN210003225U (en) | 2019-01-30 | 2019-01-30 | Simple drilling fluid floating oil automatic separation device |
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| Country | Link |
|---|---|
| CN (1) | CN210003225U (en) |
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- 2019-01-30 CN CN201920163043.XU patent/CN210003225U/en active Active
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